5445847138 has 16 divisors (see below), whose sum is σ = 8262911160. Its totient is φ = 2691611136.

The previous prime is 5445847091. The next prime is 5445847139. The reversal of 5445847138 is 8317485445.

It can be written as a sum of positive squares in 4 ways, for example, as 4235015929 + 1210831209 = 65077^2 + 34797^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5445847091 and 5445847100.

It is not an unprimeable number, because it can be changed into a prime (5445847139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149028 + ... + 181936.

Almost surely, 2^5445847138 is an apocalyptic number.

5445847138 is a deficient number, since it is larger than the sum of its proper divisors (2817064022).

5445847138 is a wasteful number, since it uses less digits than its factorization.

5445847138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33861.

The product of its digits is 2150400, while the sum is 49.

The square root of 5445847138 is about 73795.9832104702. The cubic root of 5445847138 is about 1759.3617625977.

The spelling of 5445847138 in words is "five billion, four hundred forty-five million, eight hundred forty-seven thousand, one hundred thirty-eight".